A homoglyph is one of two or more graphemes, characters, or glyphs with shapes that appear identical or very similar wikipedia:Homoglyph Unicode homoglyphs can be a nuisance on the web. Your most popular client, AlaskaJazz, might be upset to be impersonated by a trickster who deliberately chose the username AlaskaJazz. * AlaskaJazz is single script: only Latin characters. * AlaskaJazz is mixed-script: the first character is a greek letter.